<template>
  <div class="goods-tabs">
    <nav>
      <a @click="active = 'GoodsDetial'" :class="{active:active==='GoodsDetial'}" href="javascript:;">商品详情</a>
      <a @click="active = 'GoodsComment'" :class="{ active: active === 'GoodsComment' }"
        href="javascript:;">商品评价<span>({{goods.collectCount}})</span></a>
    </nav>
    <!-- 切换内容的地方,通过动态组件显示不用v-if -->
    <component :is="active"></component>
  </div>
</template>

<script>
import GoodsDetial from './goods-detial.vue'
import GoodsComment from './goods-comment.vue'
export default {
  components: {
    GoodsDetial, GoodsComment
  },
  // 约定激活值为goodsDetial // goodsComment
  setup (props) {
    const active = ref('GoodsDetial')
    const goods = inject('goods')
    return { active, goods }
  }

}

</script>

<style scoped lang='less'>
.goods-tabs {
  min-height: 600px;
  background: #fff;

  nav {
    height: 70px;
    line-height: 70px;
    display: flex;
    border-bottom: 1px solid #f5f5f5;

    a {
      padding: 0 40px;
      font-size: 18px;
      position: relative;

      >span {
        color: @priceColor;
        font-size: 16px;
        margin-left: 10px;
      }

      &:first-child {
        border-right: 1px solid #f5f5f5;
      }

      &.active {
        &::before {
          content: "";
          position: absolute;
          left: 40px;
          bottom: -1px;
          width: 72px;
          height: 2px;
          background: @xtxColor;
        }
      }
    }
  }
}
</style>
